package org.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

@WebFilter(filterName="myFilter",urlPatterns="/*")
public class MyFilter implements Filter {

	@Override

	public void init(FilterConfig config) throws ServletException {

		System.out.println("过滤器初始化");

	}

	@Override

	public void doFilter(ServletRequest request, ServletResponse response,

			FilterChain chain) throws IOException, ServletException {

		System.out.println("执行过滤操作");

		chain.doFilter(request, response);

	}

	@Override

	public void destroy() {

		System.out.println("过滤器销毁");

	}

}
